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String Trimmer Engine Conversion

Creative hobbyists have found that string trimmer engines work well for conversion to an RC, or remote control, airplane. With a few simple changes to the bare, stock string trimmer engine, an airplane enthusiast can have a powerful plane model.

Identification
- Typically, a string trimmer is a garden power tool that utilizes a cutting line, or string, that spins quickly to cut vegetation such as grass. The engine portion can be removed from the trimmer's long handle and converted for other applications.
Features
- For a simple conversion, a hobbyist can purchase a motor mount and a propeller, along with a washer and bolt for the propeller's installation. String trimmer models may have differing conversion kits, so verifying the engine type with a hobby store is important.
Considerations
- For more advanced conversion, some hobbyists add a high performance muffler or even a big carburetor. These additions can help improve the air intake feature of the engine, increasing overall performance.

Aviation